// writing

Writing — Page 2

A mix of technical deep-dives, career reflections, and dispatches from the road.

bfcache: The Instant Back Button Your Site Is Probably Blocking thumbnail

developmentNov 1, 2026· 4 min

bfcache: The Instant Back Button Your Site Is Probably Blocking

The back/forward cache restores pages from memory instantly, but an unload listener or no-store header can opt you out. Here's how to find and fix the blockers.

How Ethereum Gas Fees Actually Work: Base Fee, Tip, and Burn thumbnail

financeOct 31, 2026· 5 min

How Ethereum Gas Fees Actually Work: Base Fee, Tip, and Burn

Your wallet shows one number, but an Ethereum fee is really three: a burned base fee, a tip for the validator, and a ceiling you mostly get refunded.

LLM Evals Start as Thirty Test Cases, Not a Platform thumbnail

AIOct 31, 2026· 3 min

LLM Evals Start as Thirty Test Cases, Not a Platform

Most LLM features ship on vibes and break on the next prompt tweak. A small regression set, cheap deterministic checks, and a calibrated judge catch most of it.

Prompt Caching: Your Prompt's Prefix Is a Cache Key thumbnail

AIOct 30, 2026· 4 min

Prompt Caching: Your Prompt's Prefix Is a Cache Key

Prompt caching can cut repeated input costs by around 80%, but only if the stable parts of your prompt come first. Here's how it works and what breaks it.

Laravel 13 JSON:API Resources: Spec-Compliant Responses Without a Package thumbnail

developmentOct 29, 2026· 4 min

Laravel 13 JSON:API Resources: Spec-Compliant Responses Without a Package

Laravel 13 ships a first-party JsonApiResource that handles type/id objects, includes, sparse fieldsets, and Content-Type. Here's how it works and its limits.

Obsidian Bases Formulas: Computed Columns Your Notes Never Have to Store thumbnail

obsidianOct 27, 2026· 3 min

Obsidian Bases Formulas: Computed Columns Your Notes Never Have to Store

Bases formulas let you calculate deadlines, flags, scores, and labels from properties you already have, so your frontmatter stays small and views stay smart.

Nuxt SSR Streaming: Faster TTFB and the Response You Can't Change Later thumbnail

developmentOct 26, 2026· 3 min

Nuxt SSR Streaming: Faster TTFB and the Response You Can't Change Later

Nuxt 4.5 can flush your HTML shell before the page finishes rendering. Here's what experimental SSR streaming speeds up and the status code rule you need first.

JSON.parse Source Text Access: Stop Losing Precision on Big IDs thumbnail

developmentOct 25, 2026· 3 min

JSON.parse Source Text Access: Stop Losing Precision on Big IDs

JSON.parse can now hand your reviver the original source text of numbers, and JSON.rawJSON writes it back exactly. Here's how to round-trip big IDs.

Bond Duration: The One Number That Tells You What a Rate Move Will Cost thumbnail

financeOct 24, 2026· 5 min

Bond Duration: The One Number That Tells You What a Rate Move Will Cost

Why bond prices fall when yields rise, how duration turns that into a percentage you can calculate, and what 2022 showed about it.

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